- The LM324 IC works like a normal comparator, it connects with four independent op-amps internally.
- This IC is designed with low power, bandwidth, and high stability for operating with a single power supply.
- LM324 IC operating voltage range is 3.0V for low and 32V for high.
- This IC consists of 14 pins with four independent op-amps in one package.
Pin Configuration
| Pin Name | Description |
|---|---|
| Pin1 | (OUTPUT1): O/p of the 1st comparator |
| Pin2 | (INPUT1-): Inverting i/p of the 1st comparator |
| Pin3 | (INPUT1+): Non-inverting i/p of the 1st comparator |
| Pin4 | (VCC): Positive supply voltage |
| Pin5 | (INPUT2+): Non-inverting i/p of the 2nd comparator |
| Pin6 | (INPUT2-): Inverting i/p of the 2nd comparator |
| Pin7 | (OUTPUT2-): O/p of the 2nd comparator |
| Pin8 | (OUTPUT3): O/p of the 3rd comparator |
| Pin9 | (INPUT3-): Inverting i/p of the 3rd comparator |
| Pin10 | (INPUT3+): Non-inverting i/p of the 3rd comparator |
| Pin11 | (GND, VEE): Ground or negative supply voltage |
| Pin12 | (INPUT4+): Non-inverting i/p of the 4th comparator |
| Pin13 | (INPUT4-): Inverting i/p of the 4th comparator |
| Pin14 | (OUTPUT4): O/p of the 4th comparator |
Specifications of LM324 IC
- Frequency compensated within IC for unity gain.
- DC voltage gain is large that is 100 dB.
- Bandwidth is Wide that is 1 MHz.
- The range of power supply is wide, and for single voltage supply ranges from 3volts to 32volts.
- Independent for supply voltage.
- The range of differential i/p voltage is equivalent to the voltage power supply.
- O/p voltage swing ranges from 0V to V+ & − 1.5V.
LM324 IC Ratings
The ratings of voltage, current, and power of an integrated circuit specify its power necessities.
- The input voltage of LM324 ranges from -0.3 to 32 V.
- Differential i/p voltage of LM324 is 32 v.
- Differential i/p voltage of LM324 is 32 v.
- The input current of LM324 is 50 mA.
- Power dissipation of LM324 is 1130 mW.
- Storage temperature of LM324 ranges from -65 to 150 0C.
- Supply voltage of LM324 is 32 V.
Applications of LM324 IC
- Generally, this comparator is employed in the robot-like line following.
- By using this IC, the conventional op-amp applications can be implemented very simply.
- The LM324 IC can be used as oscillators, rectifiers, amplifiers, comparators, etc.
![](https://www.semiconductorforu.com/wp-content/uploads/2025/03/2020-Battery_KE1010R2-970x250-ROTATING-FINAL-V3.gif")
